See the FDIM Presentations on the QRP ARCI YouTube Channel
Couldn’t make it to Four Days in May? Want to revisit a favorite presentation? QRP ARCI has posted the available […]
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FDIM
FDIM 2026 Design Challenge Winner
For 2026, the FDIM Design Challenge took a different twist – the goal was to demonstrate a 40M QRP transmitter
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FDIM 2026 Homebrew Contest Winners
The 2026 Four Days In May Homebrew Contest had entries in five categories, and a best In Show award. Attendees
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FDIM
FDIM 2026 Banquet and Hall of Fame Videos
FDIM 2026 Banquet and Hall of Fame Videos
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FDIM
FDIM 2026 Symposium Videos
YouTube Collection of FDIM 2026 Symposium Videos
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FDIM
FDIM 2026 Door Prizes
The following individuals and organizations have generously donated prizes for the Four Days in May (FDIM) 2026 event. We extend
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FDIM
FDIM 2026 Registered Attendees
The following folks have registered for the 30th Four Days In May event (2026). Missing your QRP ARCI Store receipt?
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FDIM
The 30th Four Days In May (FDIM) 2026 Symposium – The Biggest and Best QRP Event in the World!
Online registration is now open through Sunday, April 26th:Â FDIM 2026 Registration For those who are new to the club or
FDIM
FDIM 2026 Tentative Speaker Lineup Announced
Harold Smith A Homebrewer’s Journey — How I got to where I am. A QRP Ham’s History. Where I started,
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FDIM
FDIM 2026 Transmitter Challenge
 Among the many virtues which are embodied in the QRP radio hobby is that of economy. While the specific definition
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